Improvement in cultivators



UNITED STATES PATENT OFFICE.

BENJAMIN F. OSBORN, OF NASHVILLE, TENNESSEE, ASSIGNOR TO T. H. JONES &G0., OF SAME PLAGE.

IMPROVEMENT lN` CULTIVATORS.

Specification forming part of Letters Patent No. l06,S64,'dated August30, 1870.

To all whom it may concern:

Beit known that I BENJAMIN F. OSE ORN, ot Nashville, in the county ot'Davidson and State of Tennessee, have invented a new and usefulImprovement in \Valking-Gultivators; and I do hereby declare that thefollowing is a full, clear, and exact descriptionthereof, which willenable others skilled in the art to make and use the same, referencebeing had to the accompanying drawings,tbrming a part of' thisspecitication.

This invention relates to improvements in the construction andarrangement of the joints of the horizontal bars of the frame ofcultivators with the axle and the bitching apparatus, to make permanentand durable joints, and to provide for moving the frame vertically andhorizontally.

Figure l shows a side view, partly sectioned, of part of one ot' thebeams of the frame, also the connection ot the same with a part oftheapparatus for supporting the short axles and connecting them together,also for hitching the animals. Fig. 2 shows the same partly in plan viewand partly in section. Fig. 3 shows in side elevation the manner ofconnecting the handles to the beams ot` the frame. Fig. 4 is a sectionot' the same on the lineacal of Fig. 3, and Fig. 5 is a face view of oneot' the plates used for connecting the handles.

Similar letters ot' reference indicate corresponding parts.

The bars A represent parts ofthe long beams ofthe frame, runningrearward from the wheels, for supporting the cultivator-stocks, also thehandle for guiding` the machine. The object ot' the first part of theinvention is to connect these bars with the short axles, the bitchingapparatus, and the bent bar by which the two axles are bent together,that they may have independent vibration vertically and laterally.

B represents the short axles for the wheels C, on which the front endsof these bars are supported.

D represents parts ot' the bent bar connecting the two axles.

E represents part of the bitching apparatus.

For connecting the bars A with these parts a metal plate, F, withvertical anges G rising from the upper edges, and with a circularflange, H, projecting from the lower side, and a central tubular stud,also projecting from the lower side, is bolted or otherwise fastened tothe under side of each beam at the forward end, as shown. Then ajoint,K, with a circular horizontal face, L, having an annular groove for theflange H, and a central hole for the stud I at one end, and a circularvertical face, M, having a similar annular groove and circular hole atthe other end, is connected to the plate F by a vertical bolt, N, and tothe bars D and E by stud 0, having a tubular pivot, P, fitting the holethrough the vertical face M of the joint K, and confined to the bars D Eby a bolt, Q, which also holds thejoint A on the stud O by a washer, R.The bars A turn laterally on the horizontal 'ace L ot' the joint K, andthe latter turns vertically on thestud O. The faces ot' these workingparts are made broad and strong, and bear the necessary workings withoutmaterial wear and without danger of breaking by lateral strain.

For attaching the handles S to the bars A, I employ the plates T, withanges U lapping the edges of the beam A, with acircular toothed hole, V,also the plates X, with flanges Ylapping the edges ot' the handles and acentral toothed stud, Z, fitting the toothed holes V. These two platesare clamped between the handles and the beam by the bolts Z passingthrough the handles, beams, and plates, s0 as to hold the handles at anyrequired angle. The teeth interlock the plates, so as to hold them fromturning. For shifting them to change the pitch ofthe handles, the boltsare unscrewed,

so as to admit of drawing the stud Z out of the hole V.

Having thus described my invention, I claim as new and desire to securebyLetters Patent- The arrangement, with respect to the beams A A andbars D E ot' a cnltivator, of flanged vertical studplates F G H,groove-joint K L M, horizontal stud-plate O I), and bolts N G, to admitof lateral and vertical adjustment, as shown and described.

BENJ. F. OSBORN.

Witnesses:

Jo. B. WILLIAMs, H. NonvELL.

